- AU PMB DOC 538-64
- Unidad documental simple
- May 1987
Cocoa Board of Papua New Guinea
Cocoa Board of Papua New Guinea
Cocoa Board of Papua New Guinea
Cocoa Board of Papua New Guinea
J.J.C. Dennis (ed.), CCRI Bulletins (Cocoa), c.1992, PNG Cocoa & Coconut Research Institute
Cocoa Board of Papua New Guinea
Cocoa Board of Papua New Guinea
Cocoa Board of Papua New Guinea
Cocoa Board of Papua New Guinea
Cocoa Board of Papua New Guinea
Cocoa Board of Papua New Guinea
Cocoa Board of Papua New Guinea